517542213 has 8 divisors (see below), whose sum is σ = 690892000. Its totient is φ = 344610288.

The previous prime is 517542133. The next prime is 517542247. The reversal of 517542213 is 312245715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 517542213 - 2¹⁶ = 517476677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517542013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101563 + ... + 106536.

It is an arithmetic number, because the mean of its divisors is an integer number (86361500).

Almost surely, 2^517542213 is an apocalyptic number.

It is an amenable number.

517542213 is a deficient number, since it is larger than the sum of its proper divisors (173349787).

517542213 is a wasteful number, since it uses less digits than its factorization.

517542213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208931.

The product of its digits is 8400, while the sum is 30.

The square root of 517542213 is about 22749.5541274989. The cubic root of 517542213 is about 802.8762161044.

Adding to 517542213 its reverse (312245715), we get a palindrome (829787928).

The spelling of 517542213 in words is "five hundred seventeen million, five hundred forty-two thousand, two hundred thirteen".